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Graham,
Could you try something like a simple boolean variable that changes
from 1 to 0 (not an array) to let you know if what you found is the
next low or the next high you are looking for? You could then add it
as a status condition in your searching routines. In other words
when searching for a low after a high has been found and then
another high is found keep storing the latest high until a low comes
along and switches the boolean to 0 (assuming it was 1 when a high
was found).
That may help.
-ace
--- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> I am pulling whats left of my hair on this one
> I want to find the turning points for major price moves and make
certain
> that each point is alternating between high then low. If a new
high is found
> before a low TP and is higher than the previous high, it becomes
the new
> high TP. (similar for the lows). BUT I then want to insert a low
(or high)
> between the concurrent highs but cannot seem to get it. (the
alternative
> would be to remove the first TP and keep the next one)
> In words just using the highs as example, find the Highest high
for a period
> of time, then search for the next lowest low, but if higher high
is found
> before the next lowest low, then it is kept (lower highs are
rejected before
> a low is found).
>
> Can someone please help, here is the code I have so far for
plotting. The
> answer is probably so easy, but I feel like a first time novice
not seeing
> the forest for the trees.
>
>
> //BASE CALCULATION OF TURN POINTS
> Plot(C,"",colorBlack,styleBar);
>
> //Assign H & L for zero volume Bars as = Last Bar with H not= L
> H = IIf( V==0 AND GroupID()!= 1, ValueWhen( V > 0, H ), H );
> L = IIf( V==0 AND GroupID()!= 1, ValueWhen( V > 0, L ), L );
>
> //MAJOR TRENDS
>
> //Set the intitial values for looping
> MajorTop = Null;
> MajorBottom = Null;
> LastMajorTop = 0;
> MajorResLevel = Null;
> MajorSupLevel = Null;
> MajorBotBar = Null;
> MajorBotBar = Null;
> //look backward & forward bars for trends
> MajorM = Param("M",10,5,20,1);
> MajorN = Param("N",50,30,80,5);
>
> //DEFINE THE BACKWARD & FORWARD REQUIREMENTS
> MajorHigh =
> H == Ref( HHV( H, ( 2 * MajorM ) + 1 ), MajorM ) AND
> H > Ref( HHV( H, MajorN ), -MajorM-1 ) AND
> H > Ref( HHV( H, MajorN ), MajorM + MajorN );
>
> MajorLow =
> L == Ref( LLV( L, ( 2 * MajorM ) + 1 ), MajorM ) AND
> L < Ref( LLV( L, MajorN ), - MajorM-1 ) AND
> L < Ref( LLV( L, MajorN ), MajorM + MajorN );
>
> //Loop to find MajorTops and MajorBottoms, plus price values of
MajorTops &
> MajorBottoms
> for( i=1; i<BarCount-1; i++ )
> {
> if( MajorHigh[i] && LastMajorTop[i-1]==0 )
> {
> MajorTop[i] = 1;
> MajorResLevel[i] = H[i];
> LastMajorTop[i] = 1;
> MajorTopBar[i] = i;
> MajorSupLevel[i] = MajorSupLevel[i-1];
> }
> else
> {
> if( MajorHigh[i] && LastMajorTop[i-1]==1 && H[i]>MajorResLevel[i-
1] )
> {
> MajorTop[i] = 1;
> MajorResLevel[i] = H[i];
> LastMajorTop[i] = 1;
> MajorTopBar[i] = i;
> MajorSupLevel[i] = MajorSupLevel[i-1];
> }
> else
> {
> if( MajorLow[i] && LastMajorTop[i-1]==1 )
> {
> MajorBottom[i] = 1;
> MajorSupLevel[i] = L[i];
> LastMajorTop[i] = 0;
> MajorBotBar[i] = i;
> MajorResLevel[i] = MajorResLevel[i-1];
> }
> else
> {
> if( MajorLow[i] && LastMajorTop[i-1]==0 && L[i]<MajorSupLevel
[i-1] )
> {
> MajorBottom[i] = 1;
> MajorSupLevel[i] = L[i];
> LastMajorTop[i] = 0;
> MajorBotBar[i] = i;
> MajorResLevel[i] = MajorResLevel[i-1];
> }
> else
> {
> MajorSupLevel[i] = MajorSupLevel[i-1];
> MajorResLevel[i] = MajorResLevel[i-1];
> LastMajorTop[i] = LastMajorTop[i-1];
> }
> }
> }
> }
> }
> GraphXSpace = 5;
>
> PlotShapes( MajorBottom * shapeStar, colorGreen, 0, L, 0 );
> PlotShapes( MajorTop * shapeStar, colorSeaGreen, 0, H, 0 );
>
> Plot( MajorSupLevel, "MajorSupTP Level", colorSeaGreen,
> styleNoLine|styleDots );
> Plot( MajorResLevel, "MajorResTP Level", colorBrown,
styleNoLine|styleDots
> );
>
>
> Cheers,
> Graham
> http://groups.msn.com/asxsharetrading
> http://groups.msn.com/fmsaustralia
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